Home / 816,021.26-1,126,086.87-453,435.74

Finding the Fourth Proportional to 816,021.26, 1,126,086.87 and 453,435.74

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Solution

The fourth proportional to 816,021.26, 1,126,086.87 and 453,435.74 is: 625,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,021.26 : 1,126,086.87 = 453,435.74 : x
  2. Step 2: Convert to fraction form
    816,021.26/1,126,086.87 = 453,435.74/x
  3. Step 3: Cross multiply
    816,021.26x = 1,126,086.87 × 453,435.74
  4. Step 4: Simplify right side
    816,021.26x = 510,608,033,202.73
  5. Step 5: Solve for x
    x = 510,608,033,202.73/816,021.26
  6. Step 6: Final answer
    x = 625,728.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.